Riesel primes of the form 329•2n-1

Current data

k , b : 329 , 2 Type : Low Count : 13 Nash : 871 Max n : 3,000,000 Date : 2022-06-03

8, 32, 108, 272, 492, 696, 1028, 1152, 2172, 33128, 91092, 206628, 243348

History

• 2022-06-03: Checked to n = 3000000, NPLB Drive 15, released
• 2014-12-29: Reserved by NPLB Drive 15, for n=2000000-3000000
• 2014-08-20: Checked to n = 2000000, NPLB Mini Drive 5, released
• 2014-08-19: Reserved by NPLB Mini Drive 5, for 1300000<n<2000000
• 2013-08-17: Reserved by NPLB Mini Drive 5 from n=1300000 (Port 7000)
• 2012-10-10: Checked to n = 1300000, Gary Barnes, released
• 2012-09-25: Reserved by Gary Barnes, for 1000000<n<1300000
• 2009-03-11: Checked to n = 1000000, Karsten Bonath, released
• 2009-02-19: Checked to n = 930000, Karsten Bonath
• 2009-01-20: Checked to n = 844000, Karsten Bonath
• 2009-01-07: Reserved by Karsten Bonath, for 800000<n<1000000
• 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
• 2009-01-03: Checked to n = 800000, Carlos Eduardo Pinho, released
• 2008-10-21: Checked to n = 800000, Carlos Eduardo Pinho, results not available anymore
• 2008-10-09: Reserved by Carlos Eduardo Pinho, for 700000<n<1000000
• 2008-08-26: Checked to n = 700000, Carlos Eduardo Pinho, results not available anymore
• 2008-08-21: Checked to n = 675000, Carlos Eduardo Pinho
• 2008-08-14: Checked to n = 630000, Carlos Eduardo Pinho
• 2008-08-03: Reserved by Carlos Eduardo Pinho, for 600000<n<1000000
• 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
• 2005-09-25: Found n = 243348, James S. Griffin
• 2005-01-02: Found n = 206628, Steven Harvey
• 2001-07-12: Found n = 91092, Kimmo Herranen